I'm sure life exists out there in some form or another. I don't know if we'll ever come to a knowledge of it, and even if we do I don't think it will change the world a whole lot right away.
SETI@home and Astropulse are funded by grants from the National Science Foundation, NASA, and donations from SETI@home volunteers. AstroPulse is funded in part by the NSF through grant AST-0307956.
